Front

What is motion?

Back

A change in position.

Front

What are forces?

Back

Pushes and pulls that change an object's position.

Front

Why does it take more force to throw a baseball than a paper airplane?

Back

Because the baseball is heavier than the paper plane.

Front

What is speed?

Back

How fast something moves.

Front

What happens when an object is in motion?

Back

It changes its position.

Front

What are pushes and pulls?

Back

Forces that change an object's position.

Front

Can things be in motion if they move up and down?

Back

Yes, things are in motion when they move up and down and side to side.

Front

What is a force?

Back

A push or pull on an object.

Front

What is an example of a force?

Back

Gravity pulling an apple down from a tree.

Front

What does it mean to accelerate?

Back

To increase the speed of an object.